server: create DB entry for storage pool capacity when create storage pool

Author: ustcweizhou

server/src/main/java/com/cloud/storage/StorageManagerImpl.java

@@ -757,6 +757,15 @@ public PrimaryDataStoreInfo createPool(CreateStoragePoolCmd cmd) throws Resource
             throw new CloudRuntimeException("Failed to add data store: " + e.getMessage(), e);
         }
 
+        // create entry for storage pool capacity
+        StoragePoolVO pool = _storagePoolDao.findById(store.getId());
+        long disk = _capacityMgr.getAllocatedPoolCapacity(pool, null);
+        if (pool.isShared()) {
+            createCapacityEntry(pool, Capacity.CAPACITY_TYPE_STORAGE_ALLOCATED, disk);
+        } else {
+            createCapacityEntry(pool, Capacity.CAPACITY_TYPE_LOCAL_STORAGE, disk);
+        }
+
         return (PrimaryDataStoreInfo)_dataStoreMgr.getDataStore(store.getId(), DataStoreRole.Primary);
     }